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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 22 — Aug. 1, 2009
  • pp: 4468–4474

Full-vectorial analysis of high-index-contrast coupled channel waveguides

Md. Zahed M. Khan and Husain Ali Jamid  »View Author Affiliations


Applied Optics, Vol. 48, Issue 22, pp. 4468-4474 (2009)
http://dx.doi.org/10.1364/AO.48.004468


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Abstract

Coupling of two identical channel waveguides separated by an air gap is analyzed. The coupled structure exhibits a strong refractive index contrast in both the transverse and longitudinal dimensions, which necessitates the use of a full-vectorial model. The 3D full-vectorial bidirectional method-of-lines beam propagation is utilized for this purpose. The effect of the transverse and longitudinal displacements on the modal reflectivity and modal transmissivity of the fundamental TE-like and TM-like modes is reported. Numerical results are presented for both the full-vectorial model and the approximate semivectorial model. A significant difference between the predictions of these two models is seen.

© 2009 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(130.2790) Integrated optics : Guided waves
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Integrated Optics

History
Original Manuscript: March 9, 2009
Revised Manuscript: June 15, 2009
Manuscript Accepted: June 28, 2009
Published: July 27, 2009

Citation
Md. Zahed M. Khan and Husain Ali Jamid, "Full-vectorial analysis of high-index-contrast coupled channel waveguides," Appl. Opt. 48, 4468-4474 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-22-4468

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